The Usability of the Palm Vx
http://webword.com/moving/palmvx.html

Rhodes, Matt
WebWord
2003

Abstract:

I recently purchased an 'old' Palm Vx of off eBay.com. Let me tell you, I couldn't be happier with it, except maybe if it had a color screen and the resolution were a little bit higher. It has a couple usability flaws from the original Palm V model, but nothing that dramatically decreases the user experience.